Anyone know how to change the baseband on my 05.16.02 iphone3g thats jailbroken?

[Kevin23]

i need help . i have a iphone 3GS and its jailbroken and its version 4.3.2 (8H7). i dont know how to make the carrier to tmobile . i tried searching tmobile in cydia and when i try to download the carrier bundle i keep getting an error. when i put my sim card in i cant text and i have no service but my voicemail comes up but i cant even read it . sometimes i get the singal bar too


my firmware is 05.16.02 and for some reason i cant text,call,or use my iphone with tmobile ? can anyone pleaseeeee help.for some reason my baseband is not compatible with ultrasn0w

 

[Applejuiced]

You gotta install the iPad baseband by using redsnow.

 

[eastercat]

Go to the dev team's web site for more info on upgrading your bb.